SW718.TS
SW718.TS suppliers

SW718.TS

SW718.TS is a high-end pre-hardened plastic mold steel specially developed for molds that require excellent polishing performance, high purity, and outstanding toughness.

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Product Introduction

SW718.TS High-end Plastic Mold Steel – Exceptional Polishing & Uniform Hardness for Precision Molds

SW718.TS is a high-end pre-hardened plastic mold steel specially developed for molds that require excellent polishing performance, high purity, and outstanding toughness.
With optimized alloy composition and advanced refining technology, SW718.TS provides exceptional mechanical stability and uniform hardness throughout the material cross-section.
It is widely used in automotive exterior and interior parts, home appliance casings, and high-gloss plastic products.

Product Parameters (Specification)

Property	Description
Material Type	High-end pre-hardened plastic mold steel
Hardness	HRC 38–42
Density	7.85 g/cm³
Surface Condition	Mirror polishable / Etching available
Heat Treatment	Supplied pre-hardened, nitriding and polishing possible
Application	Automotive molds, home appliance molds, high-gloss plastic molds

Product Features & Applications

Superior Polishing Capability

Achieves mirror finish suitable for optical-grade plastic components.

Uniform Hardness Distribution

Maintains consistent strength and machinability across large sections.

High Purity & Fine Microstructure

Advanced vacuum refining minimizes inclusions and ensures stability.

Excellent Toughness & Wear Resistance

Withstands repeated high-pressure molding cycles.

Wide Application Range

Ideal for automotive bumpers, dashboards, air conditioner panels, and large appliance housings.

Product Details

SW718.TS is produced through vacuum degassing, ESR remelting, and uniform forging, ensuring a dense and homogeneous microstructure.

The material's stability and hardness uniformity enable precise EDM machining and high-speed milling with minimal deformation.

Its outstanding polishing and etching properties make it one of the preferred choices for high-end plastic injection molds requiring fine surface texture or mirror finishing.

Product Qualification

Manufactured under ISO 9001:2015 quality control standards.
100% ultrasonic inspection for internal defects and segregation.
Complies with HASCO / DME international mold steel standards.
Equivalent to international grades AISI P20+Ni / DIN 1.2738 Premium.

FAQ

Q1: What is the hardness range of SW718.TS?

The typical hardness is HRC 34–38, providing balanced strength and machinability.

Q2: Can SW718.TS be polished to a mirror surface?

Yes, it offers superior polishability, suitable for high-gloss and optical molds.

Q3: What are the main applications of this steel?

It is ideal for automotive interior/exterior parts, appliance housings, and high-precision plastic molds.

Q4: Is SW718.TS equivalent to any international steel grade?

Yes, it is comparable to AISI P20+Ni (Premium Grade) and DIN 1.2738.

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